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Beijing Zhongboda Petroleum Technology Co., Ltd.
Address of the unit: Building 12, No. 8, Heying Road, Nanshao Town, Changping District, Beijing
Tel: 010-64856065
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Unit address: 18th Floor, Tianxin Building, No. 27, Fengcheng 2nd Road, Weiyang District, Xi'an
Tel: 029-86101780
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